30078652 has 12 divisors (see below), whose sum is σ = 52687656. Its totient is φ = 15025040.

The previous prime is 30078617. The next prime is 30078677. The reversal of 30078652 is 25687003.

It is a super-2 number, since 2×30078652² = 1809450612274208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2202 + ... + 8062.

It is an arithmetic number, because the mean of its divisors is an integer number (4390638).

Almost surely, 2^30078652 is an apocalyptic number.

It is an amenable number.

30078652 is a deficient number, since it is larger than the sum of its proper divisors (22609004).

30078652 is a wasteful number, since it uses less digits than its factorization.

30078652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7148 (or 7146 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 30078652 is about 5484.4007876887. The cubic root of 30078652 is about 310.9945581358.

The spelling of 30078652 in words is "thirty million, seventy-eight thousand, six hundred fifty-two".